[collector/release] Use StandardCharsets.US_ASCII rather than "US-ASCII".
commit dafd7ed24619ce2c724f752c3f53aa004970ef28 Author: Karsten Loesing <karsten.loesing@gmx.net> Date: Mon Aug 20 11:33:51 2018 +0200 Use StandardCharsets.US_ASCII rather than "US-ASCII". --- .../bridgedescs/SanitizedBridgesWriter.java | 98 +++++++++------------- .../metrics/collector/persist/VotePersistence.java | 26 +++--- .../collector/relaydescs/ArchiveReader.java | 9 +- .../relaydescs/RelayDescriptorDownloader.java | 16 +--- 4 files changed, 57 insertions(+), 92 deletions(-) diff --git a/src/main/java/org/torproject/metrics/collector/bridgedescs/SanitizedBridgesWriter.java b/src/main/java/org/torproject/metrics/collector/bridgedescs/SanitizedBridgesWriter.java index 8f28a2b..305c09a 100644 --- a/src/main/java/org/torproject/metrics/collector/bridgedescs/SanitizedBridgesWriter.java +++ b/src/main/java/org/torproject/metrics/collector/bridgedescs/SanitizedBridgesWriter.java @@ -28,7 +28,7 @@ import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.StringReader; -import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; import java.nio.file.Paths; import java.security.GeneralSecurityException; import java.security.SecureRandom; @@ -981,19 +981,15 @@ public class SanitizedBridgesWriter extends CollecTorMain { /* Determine digest(s) of sanitized server descriptor. */ String descriptorDigest = null; - try { - String ascii = new String(data, "US-ASCII"); - String startToken = "router "; - String sigToken = "\nrouter-signature\n"; - int start = ascii.indexOf(startToken); - int sig = ascii.indexOf(sigToken) + sigToken.length(); - if (start >= 0 && sig >= 0 && sig > start) { - byte[] forDigest = new byte[sig - start]; - System.arraycopy(data, start, forDigest, 0, sig - start); - descriptorDigest = DigestUtils.sha1Hex(DigestUtils.sha1(forDigest)); - } - } catch (UnsupportedEncodingException e) { - /* Handle below. */ + String ascii = new String(data, StandardCharsets.US_ASCII); + String startToken = "router "; + String sigToken = "\nrouter-signature\n"; + int start = ascii.indexOf(startToken); + int sig = ascii.indexOf(sigToken) + sigToken.length(); + if (start >= 0 && sig >= 0 && sig > start) { + byte[] forDigest = new byte[sig - start]; + System.arraycopy(data, start, forDigest, 0, sig - start); + descriptorDigest = DigestUtils.sha1Hex(DigestUtils.sha1(forDigest)); } if (descriptorDigest == null) { logger.warn("Could not calculate server descriptor digest."); @@ -1001,21 +997,17 @@ public class SanitizedBridgesWriter extends CollecTorMain { } String descriptorDigestSha256Base64 = null; if (masterKeyEd25519FromIdentityEd25519 != null) { - try { - String ascii = new String(data, "US-ASCII"); - String startToken = "router "; - String sigToken = "\n-----END SIGNATURE-----\n"; - int start = ascii.indexOf(startToken); - int sig = ascii.indexOf(sigToken) + sigToken.length(); - if (start >= 0 && sig >= 0 && sig > start) { - byte[] forDigest = new byte[sig - start]; - System.arraycopy(data, start, forDigest, 0, sig - start); - descriptorDigestSha256Base64 = Base64.encodeBase64String( - DigestUtils.sha256(DigestUtils.sha256(forDigest))) - .replaceAll("=", ""); - } - } catch (UnsupportedEncodingException e) { - /* Handle below. */ + ascii = new String(data, StandardCharsets.US_ASCII); + startToken = "router "; + sigToken = "\n-----END SIGNATURE-----\n"; + start = ascii.indexOf(startToken); + sig = ascii.indexOf(sigToken) + sigToken.length(); + if (start >= 0 && sig >= 0 && sig > start) { + byte[] forDigest = new byte[sig - start]; + System.arraycopy(data, start, forDigest, 0, sig - start); + descriptorDigestSha256Base64 = Base64.encodeBase64String( + DigestUtils.sha256(DigestUtils.sha256(forDigest))) + .replaceAll("=", ""); } if (descriptorDigestSha256Base64 == null) { logger.warn("Could not calculate server descriptor SHA256 digest."); @@ -1255,19 +1247,15 @@ public class SanitizedBridgesWriter extends CollecTorMain { /* Determine filename of sanitized extra-info descriptor. */ String descriptorDigest = null; - try { - String ascii = new String(data, "US-ASCII"); - String startToken = "extra-info "; - String sigToken = "\nrouter-signature\n"; - int start = ascii.indexOf(startToken); - int sig = ascii.indexOf(sigToken) + sigToken.length(); - if (start >= 0 && sig >= 0 && sig > start) { - byte[] forDigest = new byte[sig - start]; - System.arraycopy(data, start, forDigest, 0, sig - start); - descriptorDigest = DigestUtils.sha1Hex(DigestUtils.sha1(forDigest)); - } - } catch (UnsupportedEncodingException e) { - /* Handle below. */ + String ascii = new String(data, StandardCharsets.US_ASCII); + String startToken = "extra-info "; + String sigToken = "\nrouter-signature\n"; + int start = ascii.indexOf(startToken); + int sig = ascii.indexOf(sigToken) + sigToken.length(); + if (start >= 0 && sig >= 0 && sig > start) { + byte[] forDigest = new byte[sig - start]; + System.arraycopy(data, start, forDigest, 0, sig - start); + descriptorDigest = DigestUtils.sha1Hex(DigestUtils.sha1(forDigest)); } if (descriptorDigest == null) { logger.warn("Could not calculate extra-info descriptor digest."); @@ -1275,21 +1263,17 @@ public class SanitizedBridgesWriter extends CollecTorMain { } String descriptorDigestSha256Base64 = null; if (masterKeyEd25519FromIdentityEd25519 != null) { - try { - String ascii = new String(data, "US-ASCII"); - String startToken = "extra-info "; - String sigToken = "\n-----END SIGNATURE-----\n"; - int start = ascii.indexOf(startToken); - int sig = ascii.indexOf(sigToken) + sigToken.length(); - if (start >= 0 && sig >= 0 && sig > start) { - byte[] forDigest = new byte[sig - start]; - System.arraycopy(data, start, forDigest, 0, sig - start); - descriptorDigestSha256Base64 = Base64.encodeBase64String( - DigestUtils.sha256(DigestUtils.sha256(forDigest))) - .replaceAll("=", ""); - } - } catch (UnsupportedEncodingException e) { - /* Handle below. */ + ascii = new String(data, StandardCharsets.US_ASCII); + startToken = "extra-info "; + sigToken = "\n-----END SIGNATURE-----\n"; + start = ascii.indexOf(startToken); + sig = ascii.indexOf(sigToken) + sigToken.length(); + if (start >= 0 && sig >= 0 && sig > start) { + byte[] forDigest = new byte[sig - start]; + System.arraycopy(data, start, forDigest, 0, sig - start); + descriptorDigestSha256Base64 = Base64.encodeBase64String( + DigestUtils.sha256(DigestUtils.sha256(forDigest))) + .replaceAll("=", ""); } if (descriptorDigestSha256Base64 == null) { logger.warn("Could not calculate extra-info " diff --git a/src/main/java/org/torproject/metrics/collector/persist/VotePersistence.java b/src/main/java/org/torproject/metrics/collector/persist/VotePersistence.java index a1bb032..0c1f80a 100644 --- a/src/main/java/org/torproject/metrics/collector/persist/VotePersistence.java +++ b/src/main/java/org/torproject/metrics/collector/persist/VotePersistence.java @@ -8,7 +8,7 @@ import org.torproject.metrics.collector.conf.Annotation; import org.apache.commons.codec.digest.DigestUtils; -import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; import java.nio.file.Paths; public class VotePersistence @@ -47,20 +47,16 @@ public class VotePersistence String digest = ""; String startToken = "network-status-version "; String sigToken = "directory-signature "; - try { - String ascii = new String(bytes, "US-ASCII"); - int start = ascii.indexOf(startToken); - int sig = ascii.indexOf(sigToken); - if (start >= 0 && sig >= 0 && sig > start) { - sig += sigToken.length(); - byte[] forDigest = new byte[sig - start]; - System.arraycopy(bytes, start, forDigest, 0, sig - start); - digest = DigestUtils.sha1Hex(forDigest).toUpperCase(); - } else { - log.error("No digest calculation possible. Returning empty string."); - } - } catch (UnsupportedEncodingException uee) { - log.error("Unsupported encoding. Returning empty string.", uee); + String ascii = new String(bytes, StandardCharsets.US_ASCII); + int start = ascii.indexOf(startToken); + int sig = ascii.indexOf(sigToken); + if (start >= 0 && sig >= 0 && sig > start) { + sig += sigToken.length(); + byte[] forDigest = new byte[sig - start]; + System.arraycopy(bytes, start, forDigest, 0, sig - start); + digest = DigestUtils.sha1Hex(forDigest).toUpperCase(); + } else { + log.error("No digest calculation possible. Returning empty string."); } return digest; } diff --git a/src/main/java/org/torproject/metrics/collector/relaydescs/ArchiveReader.java b/src/main/java/org/torproject/metrics/collector/relaydescs/ArchiveReader.java index 3976919..84ad2b6 100644 --- a/src/main/java/org/torproject/metrics/collector/relaydescs/ArchiveReader.java +++ b/src/main/java/org/torproject/metrics/collector/relaydescs/ArchiveReader.java @@ -19,7 +19,7 @@ import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.StringReader; -import java.io.UnsupportedEncodingException; +import java.nio.charset.StandardCharsets; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; @@ -178,12 +178,7 @@ public class ArchiveReader { SimpleDateFormat parseFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); parseFormat.setTimeZone(TimeZone.getTimeZone("UTC")); - String ascii = null; - try { - ascii = new String(allData, "US-ASCII"); - } catch (UnsupportedEncodingException e) { - /* No way that US-ASCII is not supported. */ - } + String ascii = new String(allData, StandardCharsets.US_ASCII); int start = -1; int end = -1; String startToken = "onion-key\n"; diff --git a/src/main/java/org/torproject/metrics/collector/relaydescs/RelayDescriptorDownloader.java b/src/main/java/org/torproject/metrics/collector/relaydescs/RelayDescriptorDownloader.java index a65ea9a..e1dff40 100644 --- a/src/main/java/org/torproject/metrics/collector/relaydescs/RelayDescriptorDownloader.java +++ b/src/main/java/org/torproject/metrics/collector/relaydescs/RelayDescriptorDownloader.java @@ -16,9 +16,9 @@ import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; -import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URL; +import java.nio.charset.StandardCharsets; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Arrays; @@ -897,12 +897,7 @@ public class RelayDescriptorDownloader { this.lastDownloadedAllDescriptors.put(authority, this.currentTimestamp); } - String ascii = null; - try { - ascii = new String(allData, "US-ASCII"); - } catch (UnsupportedEncodingException e) { - /* No way that US-ASCII is not supported. */ - } + String ascii = new String(allData, StandardCharsets.US_ASCII); int start = -1; int sig = -1; int end = -1; @@ -939,12 +934,7 @@ public class RelayDescriptorDownloader { SimpleDateFormat parseFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); parseFormat.setTimeZone(TimeZone.getTimeZone("UTC")); - String ascii = null; - try { - ascii = new String(allData, "US-ASCII"); - } catch (UnsupportedEncodingException e) { - /* No way that US-ASCII is not supported. */ - } + String ascii = new String(allData, StandardCharsets.US_ASCII); int start = -1; int end = -1; String startToken = "onion-key\n";
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